Value builtins -- implement *-swap! functionality for various values

[cipriancraciun]

Tasks

• implement variants:
  • (*-swap! left right)
  • (*-swap! left left-start right)
  • (*-swap! left left-start right right-start)
  • (*-swap! left left-start right right-start right-end)
• implement for:
  • arrays;
  • lists;
  • strings;
  • bytes;